Ford Mustang Forum - View Single Post - Code P0301; Misfire in Cylinder 1
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post #1 of (permalink) Old 12-11-2010 Thread Starter
Muzztang
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Joined: Mar 2009
Location: Las Vegas
Posts: 63
 
Code P0301; Misfire in Cylinder 1

Hey guys I had this code show up before so I replaced all the sparkplugs and wires and my car was fine for a day but then started misfiring again and like 2 weeks later the "Check Engine" light came on again and it was the same code! So it can be the coil pack or fuel injector but I want to know how can I check to be sure and also could it be another problem?? There is a crack/leak in my exhaust so you hear air escaping from where the cats should be at. I'm not sure if that could be the cause of all this?


My Old 2004 V6 Mustang 3.9L
15.9 sec @ 88mph
2008 - May 2009 R.I.P.

My Current 2001 V6 Mustang 3.8L
17.0 sec @ 83mph
August '09 - Now

Both were stock during those races
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